| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| Mar 01, 2004 | NEMOURS FOUNDATION
|
Ten Percent Owner | Form 4 | Open market or private sale of non-derivative or derivative security | 23,000 | $40.10 | 1,613,278 |
| Apr 08, 2004 | RHODES ROBERT M
|
EVP | Form 4 | Open market or private sale of non-derivative or derivative security | 22,900 | $40.35 | 12,987 |
| Jul 27, 2006 | CORR CHRISTOPHER T
|
Senior Vice President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 21,891 | -- | 42,966 |
| Jul 27, 2006 | Corriggio Anthony Michael
|
Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 21,891 | -- | 34,101 |
| Jul 27, 2006 | DREW J EVERITT
|
Division President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 21,891 | -- | 41,856 |
| Dec 13, 2017 | FRANK HOWARD S
|
Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 20,000 | $18.98 | 20,000 |
| Dec 06, 2004 | RUMMELL PETER S
|
Director, Chairman & CEO | Form 4 | Open market or private sale of non-derivative or derivative security | 20,000 | $54.75 | 1,375,874 |
| Feb 07, 2011 | Wilson Roderick T
|
President - West Bay Sector | Form 4 | Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | 19,280 | -- | 43,587 |
| Oct 28, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 19,251 | $29.00 | 399,245 |
| Oct 28, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 19,251 | -- | 98,181 |
For recent transactions, including derivative transactions, see our Section 16 SEC filingspage.